<template>
  <div class="sonb">
    <!-- <h3>sonb</h3> -->
    <h3>{{ value }}</h3>
    <button @click="add" />
  </div>
</template>
<script>
export default {}
</script>
<style lang="scss" scoped>
.sonb {
  width: 200px;
  height: 200px;
  border: 5px solid blue;
}
</style>
